Rucksack



FIG. 1 is a perspective elevational view of a rucksack showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a perspective view thereof, the telescopic handle shown extended an the straps disengaged, and stowed in the rear pocket;

FIG. 9 is a front elevational view of FIG. 8;

FIG. 10 is a rear view of FIG. 8;

FIG. 11 is a left side elevational view of FIG. 8;

FIG. 12 is a right side elevational view of FIG. 8;

FIG. 13 is a bottom view of FIG. 8;

FIG. 14 is a top view of FIG. 8; and,

FIG. 15 is a perspective view of FIG. 8, the straps being reattached.

The broken lines shown on the claimed article throughout the views are understood to represent stitching. 

The ornamental design for a rucksack, as shown and described. 